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SLG46824 Datasheet(PDF) 91 Page - Dialog Semiconductor

Part No. SLG46824
Description  GreenPAK Programmable Mixed Signal Matrix with In System
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Maker  DIALOG [Dialog Semiconductor]
Homepage  http://www.dialog-semiconductor.com/
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SLG46824 Datasheet(HTML) 91 Page - Dialog Semiconductor

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Datasheet
31-Jan-2018
CFR0011-120-01
Revision 2.3
91 of 152
© 2018 Dialog Semiconductor
SLG46824
GreenPAK Programmable Mixed Signal Matrix with In System
Programmability
PRELIMINARY
15.4.2 Sequential Write Command
The write Control Byte, Word Address and the first data byte are transmitted to the SLG46824 in the same way as in a Byte Write
command. However, instead of generating a Stop condition, the Bus Master continues to transmit data bytes to the SLG46824.
Each subsequent data byte will increment the internal address counter, and will be written into the next higher byte in the command
addressing. As in the case of the Byte Write command, the internal write cycle will take place at the time that the SLG46824
generates the Acknowledge bit.
15.4.3 Current Address Read Command
The Current Address Read Command reads from the current pointer address location. The address pointer is incremented at the
first STOP bit following any write control byte. For example, if a Sequential Read command (which contains a write control byte)
reads data up to address n, the address pointer would get incremented to n+1 upon the STOP of that command. Subsequently,
a Current Address Read that follows would start reading data at n+1. The Current Address Read Command contains the Control
Byte sent by the Master, with the R/W bit = “1”. The SLG46824 will issue an Acknowledge bit, and then transmit eight data bits
for the requested byte. The Master will not issue an Acknowledge bit, and follow immediately with a Stop condition.
15.4.4 Random Read Command
The Random Read command starts with a Control Byte (with R/W bit set to “0”, indicating a write command) and Word Address
to set the internal byte address, followed by a Start bit, and then the Control Byte for the read (exactly the same as the Byte Write
command). The Start bit in the middle of the command will halt the decoding of a Write command, but will set the internal address
Figure 63: Sequential Write Command
Figure 64: Current Address Read Command, R/W = 1
X X X X
A
10
A
9
A
8 W
Control Byte
Word Address (n)
Control
Code
Block
Address
Write bit
S
ACK
Acknowledge
bit
Start
bit
Data (n)
Stop
bit
SDA LINE
Bus Activity
ACK
Data (n + 1)
ACK
ACK
Data (n + x)
P
Acknowledge
bit
ACK
X
X
X
X
A
10
A
9
A
8
R
Control Byte
Data (n)
Control
Code
Block
Address
R/W bit = 1
S
ACK
Acknowledge
bit
Start
bit
P
Stop
bit
No Ack
bit
SDA LINE
Bus Activity


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